[libvirt] [PATCH 29/53] vircgroup: introduce virCgroupV2SetMemory
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroupv2.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index d48e9db559..32d20f2ff6 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -1017,6 +1017,33 @@ virCgroupV2GetBlkioDeviceWriteBps(virCgroupPtr group,
}
+static int
+virCgroupV2SetMemory(virCgroupPtr group,
+ unsigned long long kb)
+{
+ unsigned long long maxkb = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
+
+ if (kb > maxkb) {
+ virReportError(VIR_ERR_INVALID_ARG,
+ _("Memory '%llu' must be less than %llu"),
+ kb, maxkb);
+ return -1;
+ }
+
+ if (kb == maxkb) {
+ return virCgroupSetValueStr(group,
+ VIR_CGROUP_CONTROLLER_MEMORY,
+ "memory.max",
+ "max");
+ } else {
+ return virCgroupSetValueU64(group,
+ VIR_CGROUP_CONTROLLER_MEMORY,
+ "memory.max",
+ kb << 10);
+ }
+}
+
+
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@@ -1053,6 +1080,8 @@ virCgroupBackend virCgroupV2Backend = {
.getBlkioDeviceReadBps = virCgroupV2GetBlkioDeviceReadBps,
.setBlkioDeviceWriteBps = virCgroupV2SetBlkioDeviceWriteBps,
.getBlkioDeviceWriteBps = virCgroupV2GetBlkioDeviceWriteBps,
+
+ .setMemory = virCgroupV2SetMemory,
};
--
2.17.1